Combined solid-fuel and gas range.



C. H. MILLER.

COMBINED SOLID FUEL AND GAS RANGE.

APPLICATION FILED 110V. zo. 1911,

1,090,163, )utnted M111: IT, 19141 U. MILLER.

@ummm soun FUEL AND GAS HANG?.

APPLICATION PILE!) NOVA 20, 1011. LQ? 1 @3Q l Patented M111'. 17'. 1914.

2 SHEETSMSHEI'I 2.

CARL H. MILLER, OF CLEVELAND, OVHIO.

COMBINED SOLID-FUEL AND GAS RANGE.

Specification of Letters Patent.

Patented Mar. 17, 19114.

" Application ilefl November 20. 1911. Serial No. 661,273.

To all whom, `it may concern.'

Be it known that I, CARL H. MILLER, citizen of the United States, residing at Cleveland, in the county of Cuyahoga and State ofOhio, have invented certain new and useful In'iprovernents in Combined Solid-Fuel and Gas Ranges, of which the following is4 a specification.

This invention relates to a combined solid :fuel and gas range, and the invention consists in the construction `and combination of parts, substantially as shown and described and particularly pointed out in the claim.

In the accompanying draWingS,Figure l is a horizontal sectionat view of the stove, and Fig. 2 is a vertical sectional view thereof. Fig. 3 is a cross section, front to rear, and Fig. 4 is a side elevation enlarged of the gas supply pipe and draft damper for the oven. Fig. 5 is a sectional elevation of said parts at right angles to Fig. l and vertically across the said damper.

As thus shown the inventioncomprises several new and important features, as will hereinafter fully appear and consists, first,

.in means for controlling the exhaust passage for the products ot' combustion from an oven in which fugas burner is employed. Obviously it is important for a healthful and suecessful ofpdration of an oven having the products of combustion discharged therein that there should be a :tree outlet or exhaust for such products, and yet in gas stoves of this kind with exhaust dempers duly novided it is every day experience that the said damper-s" are neglected and allowed to remain closed when the gas is turned on and the oven is expected -to do its work in the appointed way. lhe trouble heretofore has been that the said dempers". were separate and independent parts which were intended to be closed when fuel wasiburned in the fire pot and to be opened when gas wa's'used to heat the oven or for broiling 1n the upper portion of the pren', but the trouble was that the said damper-s were liable to be forgotten in both cases and thercsults were especially had in the case of gas if the dam-pers were left closed, as when using wood or coal. Now, in order to remedy this object-.ioni have provided a rotatable or plug valve o in the feed pipe 2 for the oven burner Z) and the broiler burner b with an operating connection between said valve and the exhaust damper d from the oven and which opens into the exhaust draft passage or space 8 of the range. These connecions and partel are shown enlarged in Figs. L! and and the relation thereof to or in the range in liigs. l and 2. The distributing pipe Ll along the front and side of the range and the pipe therefrom are a conunon arrangement, and the valve or valve plug v is show-n as having a handle 5 and the damper (l has a stein t3 fixed centrally therein and slidably sup ported at its inner end in a bearing T and connected at its outer end with the said handle 5 by screw or pin 8. The said pin'or screw engages through a slot 9 in the end of Asaid stern and a spiral spring l() about said stein and between a collar thereon and said handle serves lto exert a normal inward pressure upon the damper and hold it upon its seat s. This construction provides for always opening and closing the damper auf toinatically when the valve is opened and closed and insures absolute safety in the use of as interchangeably with solidifuel. When t 1e valve o is closed the damper d is closed also both by means of the valve handle and the spring, and when the said valve is open, whether purposely or by neglect, the damper d is open also and the danger which otherwise would attend a tightly closed oven flooded with gas or the products of combustion, is prevented; A suitable an nular hood h. provides a seat for damper ul.

`ltespecting the safety feature of damper d connected with valve 'u it may be added that the immediate necessity for this connection lies in the extreme danger of gas explosions in the stove if no sueh connection be provided. lior example, suppose the said valve lo be opened and the damper to be closed; when the ovcnburncr is lighted it will soon lbecome checked for want of oxygen and go out but the gas will continue to llow incantiine and will eithel" escape through a leali and light back or possibly ignitefrom one of the top burners when the oven door is opened. Both thesecontingencies have been actual experiences, and the danger 'from this source evnlently is mosty serious and should not be possible. Nor is it possible with my present safety connections between the said valve o and the draft damper rl, as described.'

Vhat I claim is:

A. kitchen range having an exhaust flue for the products of combustion and an oven provided with an exhaust passage at its top into said Ilue, in combination with u gas supply pipe at the front of the range and a gas burner in said oven havingsupp c0111 hecton with sad'ppe, a hood over t e entrance to said exhaus 'passage and a dem er fitted to the outsideof said-hood, a va. ve adapted toeonmrolV the ,How of gas to said oven burner having a depending handle, a rod loosely connected with said handle ai f one end and a support for the other end theeof in said hood and having said damn Y Lomme per mounted thereon and a spring on Said 10 x'od adapted to force said damper to its seat on said hood. y In testimony whereof I aix my .signature in presenceof two witnesses.

CARL H. MILLER. Witnesses:

E. M. FISHER, F. C. MUssoN. 

